Sample image frame captured from DIDSON visual sonar with a fish in

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Sample image frame captured from DIDSON visual sonar with a fish in

Imaging sonar - fish arcing

Observer bias and subsampling efficiencies for estimating the number of migrating fish in rivers using Dual-frequency IDentification SONar (DIDSON) - ScienceDirect

Frank SMITH, Director of Software UX Design, MCompSc

Sonar Tools: DIDSON, Alaska Fisheries Sonar, Alaska Department of Fish and Game

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